Home / 39,141.45-58,690.17-12,843.99

Finding the Fourth Proportional to 39,141.45, 58,690.17 and 12,843.99

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Solution

The fourth proportional to 39,141.45, 58,690.17 and 12,843.99 is: 19,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.45 : 58,690.17 = 12,843.99 : x
  2. Step 2: Convert to fraction form
    39,141.45/58,690.17 = 12,843.99/x
  3. Step 3: Cross multiply
    39,141.45x = 58,690.17 × 12,843.99
  4. Step 4: Simplify right side
    39,141.45x = 753,815,956.58
  5. Step 5: Solve for x
    x = 753,815,956.58/39,141.45
  6. Step 6: Final answer
    x = 19,258.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.